static int __softirq_delay __read_mostly = 1;
 
static int __init parse_softirq_delay(char *arg)
{
	if (!arg)
		return -EINVAL;

	if (!strcasecmp(arg, "0"))
		__softirq_delay = 0;
	else if (!strcasecmp(arg, "1"))
		__softirq_delay = 1;
 
	pr_info("softirq_delay: %d\n", __softirq_delay);
	return 0;
}
early_param("softirq_delay", parse_softirq_delay);
